/*
 * Copyright (c) 1998-2000 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Emil Ong
 */

package com.caucho.xtpdoc;

import java.io.IOException;
import java.io.PrintWriter;


public abstract class AbstractContentItem implements ContentItem {
  public void escapeAsciiDoc(PrintWriter out, String text, boolean isVerbatim)
    throws IOException
  {
    boolean isSpace = false;
    
    for (int i = 0; i < text.length(); i++) {
      char ch = text.charAt(i);
    
      if (ch == '_'
          && (isSpace
              || i + 1 == text.length() || text.charAt(i + 1) == ' ')) {
        out.print("\\_");
      }
      else
        out.print(ch);
      
      isSpace = (ch == ' ' || ch == '\n');
      
      if (ch == '\n' && ! isVerbatim) {
        for (int j = i + 1; j < text.length(); j++) {
          if (text.charAt(j) == ' ' || text.charAt(j) == '\t') {
            i = j;
          }
          else {
            break;
          }
        }
      }
    }
    
    if (! isSpace)
      out.print(' ');
  }
}
